59 lines
1.5 KiB
Bash
59 lines
1.5 KiB
Bash
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#!/bin/bash
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# check-cdrom -- udev helper script for QiLinux
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# Copyright (C) 2005 Davide Madrisan <davide.madrisan@qilinux.it>
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License version 2 as published by the
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# Free Software Foundation. There is NO warranty; not even for MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# Report bugs to <davide.madrisan@qilinux.it>
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# NOTE : not enough info in /sys/block/<dev>, so we use /proc
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[ -e /proc/sys/dev/cdrom/info ] || exit 1
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dev=$1
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what=$2
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unset vcdrom vwhat
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# NOTE: example of /proc/sys/dev/cdrom/info
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# CD-ROM information, Id: cdrom.c 3.20 2003/12/17
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# drive name: hdd hdc
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# drive speed: 52 32
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# ...
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# Can play audio: 1 1
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# Can write CD-R: 0 1
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# Can write CD-RW: 0 1
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# Can read DVD: 0 1
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# Can write DVD-R: 0 1
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# Can write DVD-RAM: 0 0
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# ...
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/bin/cat /proc/sys/dev/cdrom/info | {
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while read line; do
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case "$line" in
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drive\ name:*)
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set ${line##*:}
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vcdrom=($@)
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let "found_dev = 0"
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for cdrom in ${vcdrom[@]}; do
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[ "$cdrom" = "$dev" ] &&
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{ let "found_dev = 1"; break; }
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done
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[ "$found_dev" = 1 ] || exit 1
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;;
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*\ $what:*)
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set ${line##*:}
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for cdrom in ${vcdrom[@]}; do
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[ "$cdrom" = "$dev" -a "$1" = 1 ] && exit 0
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shift
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done
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;;
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esac
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done
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exit 1
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}
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